Howell-Jolly body: A small, round inclusion seen in an erythrocyte. | Paulo Henrique Orlandi Mourao & Mikael Häggström - Crop of File:Howell-Jolly smear 2010-11-17.JPG by Paulo Henrique Orlandi Mourao, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=20483030